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2025年11月8日 / Last updated : 2025年11月8日 桑子 研 Science

The 10x Secret: How the Pascal Cable Turns a Safe 5 Amps into Mind-Blowing Electromagnetism!

Hello! I’m Kuwako Ken, your Science Trainer. Every day is an experiment! “Electricity” and “Magnetism.” Do you remember the familiar “Right-Hand Screw Rule” or “Fleming’s Left-Hand Rule” from your science classes? They are textbook staples, but the reality is that when you actually try the experiments, the compass needle only moves a “little bit,” or […]

2025年11月8日 / Last updated : 2025年11月8日 桑子 研 Science

Pascal’s Power Coil: Turn One Wire into a 200-Turn Electromagnet! (And Make It Safe!)

Hello! I’m Kuwako Ken, your Science Trainer. Every day is an experiment! It looks like just a single electrical cable. But what if that one wire secretly held the power of ten wires? Doesn’t that sound exciting? The “Pascal Cable” I introduced recently is exactly that kind of magical item. A single tube bundles 10 […]

2025年11月8日 / Last updated : 2025年11月8日 桑子 研 Science

Why Is the Sky Blue and the Sunset Red? Discover the Secret with Soap Bubbles and a Plastic Bottle!

I’m Ken Kuwako, a Science Trainer. Every Day is an Experiment! “Why is the sky blue?” “If it’s blue, then why are sunsets red?” If you’re a science teacher (or maybe a parent), you’ve probably been asked these questions by a child at some point. While explaining “light scattering” using words and diagrams is certainly […]

2025年11月8日 / Last updated : 2025年11月8日 桑子 研 Science

The $1 Science Lesson: Why Your “Facts” About Turtles and Seahorses Are Probably Wrong!

I’m Ken Kuwako, a Science Trainer. Every Day is an Experiment! Hello, everyone! Can you confidently say which class of animal a turtle belongs to? And what about a seahorse? When we judge animals purely by their appearance or where they live, we often get it wrong. What we “think we know” from our daily […]

2025年11月7日 / Last updated : 2025年11月7日 桑子 研 Science

Smaller Than Your Phone: This “Little Giant” is Revolutionizing the Science Lab

This is Ken Kuwako, your science trainer. Every day is an experiment! When you think of science experiments, what comes to mind? Beakers? Flasks? …And that big, heavy “power supply unit”? Lugging it to the lab is a pain, and your desk ends up cluttered with cords. I’ve just found an amazing new item that […]

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運営:桑子研(くわこ けん)
科学の楽しさや不思議、感動を多くの人に届けていきたい。サイエンストレーナーとしてテレビ番組の科学監修・出演、実験教室、科学本執筆なども行っています。

Author: Ken Kuwako
My mission is to share the joy, wonder, and excitement of science with as many people as possible. As a Science Trainer, I stay busy supervising and appearing on science-themed TV programs, hosting hands-on experiment workshops, and authoring science books.

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